<!--一个拟真的球形-->
<html>
<head>
    <title>拟真球形</title>
    <style>
        body {
            background-color: #ffffff;
        }
        .ball:hover{
            transform: scale(1.2,1.2) rotate(7200deg);
            border-radius: 50%;
        }
        .ball {
            width: 200px;
            height: 200px;
            border: solid 1.5px #404040;
            background-color: #fff;
            position: relative;
            margin: 100px auto;
            transition: all 3s ease-in-out;
            box-shadow: inset 10px 10px 20px 5px #454444;
        }
    </style>
</head>
<body>
    <div class="ball"></div>
</body>
</html>